| Zone | Local time | Direction | Offset |
|---|---|---|---|
| England (London and Manchester), Scotland (Edinburgh), and Northern Ireland (Belfast) | 28 Mar 2027 01:00 to 02:00 | Forward | UTC+0 to UTC+1 |
| England (London and Manchester), Scotland (Edinburgh), and Northern Ireland (Belfast) | 31 Oct 2027 02:00 to 01:00 | Back | UTC+1 to UTC+0 |